/Engine/Source/Runtime/AnimationCore/Public/BoneWeights.h
Blend three bone weights via barycentric coordinates using the given settings. Considers the influence from all of the bones. Coordinates should sum to one.
static [FBoneWeights](API\Runtime\AnimationCore\FBoneWeights) Blend ( const [FBoneWeights](API\Runtime\AnimationCore\FBoneWeights) & InA, const [FBoneWeights](API\Runtime\AnimationCore\FBoneWeights) & InB, const [FBoneWeights](API\Runtime\AnimationCore\FBoneWeights) & InC, float InBaryX, float InBaryY, float InBaryZ, const [FBoneWeightsSettings](API\Runtime\AnimationCore\FBoneWeightsSettings) & InSettings )